HD 4113
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Stern HD 4113 |
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| AladinLite | |||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | sculptor | ||||||||||
| Right ascension | 00 h 43 m 12.6 s | ||||||||||
| declination | -37 ° 58 ′ 57 ″ | ||||||||||
| Apparent brightness | 7.9 likes | ||||||||||
| Typing | |||||||||||
| Known exoplanets | 1 | ||||||||||
| Spectral class | G5 V | ||||||||||
| Astrometry | |||||||||||
| Radial velocity | (+4.0 ± 0.2) km / s | ||||||||||
| parallax | (22.70 ± 0.84) mas | ||||||||||
| distance | (144 ± 5) ly (44.1 ± 1.6) pc |
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| Proper movement | |||||||||||
| Rec. Share: | approx. +51 mas / a | ||||||||||
| Dec. portion: | approx. −115 mas / a | ||||||||||
| Physical Properties | |||||||||||
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Other names and catalog entries |
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HD 4113 is a main sequence star of spectral class G5, around 140 light years away , which is orbited by exoplanet HD 4113 b with an orbital period of 527 days . The mass of the star roughly corresponds to the mass of the sun .
Planetary companion
The companion's orbit has a semi-major axis of approximately 1.3 astronomical units and a high eccentricity of 0.90. Its minimum mass is 1.6 Jupiter's masses. The exoplanet was created by Omer Tamuz et al. Discovered in 2007 using the radial velocity method.
literature
- O. Tamuz, D. Ségransan, S. Udry, M. Mayor, A. Eggenberger, D. Naef, F. Pepe, D. Queloz, NC Santos, B.-O. Demory, P. Figuera, M. Marmier, G. Montagnier (2008): The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD 4113 and HD 156846 . Astronomy & Astrophysics 480 (2008), L33
Web links
- The star at exoplanet.eu (English)
- The planet at Planet.ch ( Memento from October 15, 2012 in the Internet Archive )
- The exoplanet in the "Encyclopedia of Extrasolar Planets"